Shrimp preservative and preparation method thereof

Abstract

The invention discloses a shrimp preservative. The preservative comprises the following raw materials: potassium sorbate, propyl p-hydroxybenzoate, tea polyphenols, gallic acid, ascorbic acid, sodium chloride, sodium alginate, cane sugar, maltodextrin, salvia officinalis extractive, ethanol, and water. A preparation method comprises step 1: dissolving the potassium sorbate, the sodium chloride, and the sodium alginate; step 2: dissolving the ethanol, the propyl p-hydroxybenzoate, the tea polyphenols, the gallic acid, the ascorbic acid, and the salvia officinalis extractive in the obtained mixture, and adjusting pH value; and step 3: dispersing the cane sugar and the maltodextrin so as to obtain the shrimp preservative. The preservative provided by the invention is reasonable in formula; the raw materials are cheap and easy to obtain; the preparation method is simple; the preservative has a stable property and a good fresh-keeping effect on shrimps; the luster of the shrimps stored for two weeks is almost the same as that of fresh shrimps; the preservative is simple to use with no freezing required; and the preservative has low requirements of storage environment in a storage process, and avoids influences, brought by ice thawing in conventional methods, over storage environment and shrimp fresh keeping degree.

Description

technical field [0001] The invention relates to the technical field of food preservation, in particular to a shrimp preservation agent and a preparation method thereof. Background technique [0002] Shrimp contains vitamin A, which can protect the eyes; there are also vitamin B complexes, which can eliminate fatigue and enhance physical strength. In addition, taurine can lower cholesterol, protect the cardiovascular system, and prevent arteriosclerosis. There are also many minerals in shrimp, such as magnesium that can regulate heart activity and iron that can prevent anemia. Even shrimp shells have a lot of calcium and chitin, which can prevent and improve osteoporosis in middle-aged and elderly people and enhance immunity . Shrimp also has the function of nourishing the kidney, can strengthen yang, help improve impotence, premature ejaculation, loss of libido, frequent urination, etc., and also help postpartum women secrete milk. Moreover, the calorie and fat content in ...

AI Technical Summary

Problems solved by technology

However, the preservative and crushed ice are not easy to mix evenly during the mixing process, which affects the preservation effect. In addition, the preservative also has high requirements for the storage environment. During transportation and storage, the ice is easy to melt even if the storage environment is hygienic. It is not easy to clean, and it will also affect the freshness of shrimp